difference between the time the call is first received by the dispatcher and the time a patrol car radios that it has arm od of time, it has been determined that the police response time has a normal distribution with a mean of 9.2 minutes and a standard deviation of 2.1 minutes. F rgency call IS find the following probabilities (Round your to four decim

difference between the time the call is first received by the dispatcher and the time a patrol car radios that it has arm od of time, it has been determined that the police response time has a normal distribution with a mean of 9.2 minutes and a standard deviation of 2.1 minutes. F rgency call IS find the following probabilities (Round your to four decim

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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STA 215
Answer a, b, & c.
Gas mileage of vehicles follows a normal curve. A Ford Escape claims to get 25 mpg highway, with a standard deviation of 1.6 mpg. A Ford Escape is selected at random. (a) What is the probability that it will get more than 28 mpg? 1b. Suppose the test scores among a set of first year nursing students are normally distributed with a mean of 500 and a standard deviation of 100. If a student nurse scores a 700, what would be her z-score?
A certain brand of automobile tire has a life expectancy that ie normally dietributed with a mean of u= 20000 milee and etandard deviation of o= 2500 milee. What ie the probability that a randomly chosen tire will last between 17500 miles and 25000 mileo? Select one: a. 0.8413 O b. 0.7 c. 0.8185 O d. 0.8
The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and standard deviation of 2 days. Use the Cumulative Z-Score Table to answer the following questions. Write your answers as a percent with two decimal places. Hint • What is the probability of spending less than 8.4 days in recovery? • What is the probability of spending more than 5.3 days in recovery? • What is the probability of spending between 2.6 days and 3.8 days in recovery?
A surgery has a success rate of 90%. Suppose that the surgery is performed on threepatients Graph the probability distribution for X using a histogram.Find the mean of X.Find the variance and standard deviation of X.
Scores of each of the Knitting Aptitude tests were normally distributed with a mean of 6 hours and a standard deviation of 1.67 hours. Carrie will be taking the test tomorrow. Assume the data is normally distributed. Determine the probability of someone finishing in less than 2.17 hours 0.9891 0.5000 1.0 0.0109
estions 1. Residents of rural Wisconsin drink an average of 4L of soda per week, with a standard deviation of 1L. What is the probability that a randomly-selected resident of rural Wisconsin drinks 5.5 to 6.8L of soda per week?
The probability is 0.02 that an item produced by a factory isdefective. A shipment of 10,000 items is sent to its warehouse. Find the expectednumber of defective items and the standard deviation.